Top Software Engineer Jobs in Poland

Build and maintain a production-grade iOS application using Swift and SwiftUI, integrating AI features through backend APIs. Design reliable AI interaction patterns, optimize performance, memory, and battery usage, and support streaming, retries, and fallbacks. Collaborate with backend and ML engineers, capture user feedback for AI evaluation, maintain App Store quality, and monitor and resolve production issues.

Design and develop scalable full-stack applications, MVPs, prototypes, backend services, and modern frontend solutions. Integrate APIs, databases, and cloud services while collaborating with product owners, architects, AI engineers, and business stakeholders. Translate innovation concepts into software, support emerging technology experimentation, and follow engineering best practices including testing, code reviews, documentation, and version control. The role supports multiple client-facing projects and requires adaptability and travel as needed.

Lead test strategy and validation for next-generation device drivers and platform tools. Design, build, execute and report component, system and acceptance tests. Debug complex issues across hardware, firmware, drivers and higher software layers. Influence design, guide test infrastructure, mentor engineers, and ensure production quality across the stack.

Design and operate customer-facing networking APIs, Python orchestration control planes, and automation that configures routers across global points of presence. Build resource allocation, job queues, retries, rollback, reconciliation, BGP, WireGuard, GRE, NAT, firewall, DNS, cloud interconnect, and Envoy xDS integrations. Own production monitoring, incident response, billing synchronization, API compatibility, and network configuration drift detection across application and infrastructure layers.

Designs, develops, executes, and automates QA tests for NVIDIA Ethernet switch features and releases. Reviews architecture and requirements, performs regression, performance, functional, and security testing, reports and reproduces bugs, investigates root causes, verifies fixes, and develops Python-based automation frameworks and APIs.

Lead quality validation for virtual networking silicon and software by reviewing designs, developing Python and Pytest automation, executing functional, performance, and security tests, debugging defects, validating fixes, and collaborating with R&D throughout feature development. The role requires deep networking protocol expertise, Linux proficiency, and experience testing technologies including BGP, EVPN, VXLAN, QoS, and RoCE.

Develop and maintain embedded software for smart camera products using C/C++; work on Linux kernel, device drivers, and system services; integrate sensors and vision features; optimize boot, power, and data throughput; collaborate with hardware and algorithm teams; apply AI tools and champion software best practices, testing, and documentation.

Build and scale healthcare patient-facing and care-management applications across the full stack. Develop React and backend services, APIs, PostgreSQL applications, healthcare integrations, asynchronous workflows, and AWS infrastructure. Improve CI/CD, testing, monitoring, security, authentication, authorization, PHI protection, and production reliability. Support payer and HIE integrations, data reconciliation, clinical workflows, and governed AI-enabled functionality while collaborating with Product, Clinical, Operations, and external partners.

Build and support healthcare platform features across React interfaces, backend services, APIs, databases, AWS infrastructure, integrations, and production operations. Develop patient and care-management workflows, payer and healthcare interoperability integrations, resilient asynchronous processing, CI/CD, monitoring, security, PHI protection, and governed AI-enabled workflows. Stabilize production systems, improve testing and deployment practices, and create reusable platform capabilities.

Build and ship high-quality React Native mobile experiences for Kraken’s consumer financial products. Own features end-to-end, from problem discovery and technical design through implementation, launch, measurement, and iteration. Collaborate closely with Product and Design, work with APIs and real-time data, optimize performance and reliability, and contribute to architecture, code reviews, technical discussions, and product strategy.

Design and develop production-grade full-stack applications using TypeScript, JavaScript, React, and Node.js or Deno. Provide technical leadership, establish engineering standards, integrate APIs and SaaS platforms, and contribute to secure, reliable, observable production systems. Mentor engineers, collaborate across product and platform teams, support CI/CD and testing practices, and evaluate emerging and AI-assisted development technologies.

Develop Kubernetes-native AI infrastructure using Go, including inference and training products, controllers, operators, APIs, CLIs, and developer tools. Optimize serverless container workflows, GPU scheduling, workload scaling, reliability, security, and distributed systems performance. Collaborate on cloud-native technologies and Kubernetes ecosystem advancements. Required experience includes Go, Kubernetes development, Kubernetes APIs and CRDs, Docker, Helm, and cloud-native architecture; Python, AI/ML frameworks, GPU optimization, and open-source contributions are preferred.

Design, develop, and maintain secure full-stack applications, APIs, data platforms, integrations, and cloud services supporting financial-sector technology initiatives. Collaborate with financial institutions, technology firms, and researchers to translate industry challenges into solutions. Shape architecture, implement testing and CI/CD, conduct code reviews, troubleshoot issues, and improve performance, security, and reliability.

Seeking a Senior Software Engineer to build AI inference systems. Responsibilities include optimizing GPU kernels, architecting inference stacks, and defining benchmarking methodologies. Requires strong programming skills and experience in ML systems.

Develop and support local applications in Kazakhstan by designing, coding, reviewing, deploying, and troubleshooting secure, scalable software. Collaborate with vendors, regulators, stakeholders, and user teams; create technical documentation and deployment plans; resolve complex cross-component issues; and apply software architecture, design patterns, performance practices, and CI/CD methods. Fluency in Russian and English is required.

Designs, develops, and maintains scalable build, infrastructure, and vulnerability-management tools for global engineering teams. Responsibilities include creating frontend and backend features, optimizing multi-platform build systems, supporting multi-architecture compilation, improving software reliability and security, and partnering with cross-functional stakeholders. The role requires expertise in object-oriented programming, build generators, compilers, service-oriented architecture, REST, microservices, databases, SQL, and CI/CD tools.

Build and maintain Camunda 8 backend data-layer services across relational databases and Elasticsearch/OpenSearch. Design scalable storage, query, retention, streaming, and secondary-storage solutions; investigate production data issues; improve performance and operability; and deliver engineering initiatives collaboratively with Product, QA, Support, and SRE. Participate in L3 support and on-call rotations.

Designs and implements behavior planning algorithms for autonomous vehicles operating in structured, low-speed airport environments. Responsibilities include developing C++ and Python software, modeling multi-agent interactions, implementing decision-making and path-planning methods, testing in simulation and real-world scenarios, optimizing system performance, and collaborating with autonomy and engineering teams. The role requires expertise in behavior planning, probabilistic models, real-time navigation, debugging, profiling, and scalable software architecture.

Develop scalable, fault-tolerant backend search services for Splunk’s distributed search platform. Responsibilities include designing search features, optimizing query execution, improving reliability and scalability, troubleshooting customer incidents, building CI/CD and test automation capabilities, and mentoring engineers. The role requires strong C++ development, distributed-systems expertise, cloud experience, debugging skills, and familiarity with REST or gRPC services.

Develop scalable, fault-tolerant distributed search services for Splunk’s core platform. Responsibilities include designing search features, optimizing query execution, improving reliability and scalability, troubleshooting customer incidents, building CI/CD and test automation capabilities, and mentoring engineers. The role requires strong C++ development, distributed systems expertise, cloud experience, communication APIs, and software engineering fundamentals.

Leads the design, development, and delivery of scalable .NET applications and cloud-native solutions on Microsoft Azure. Responsibilities include architecting systems, building Azure DevOps CI/CD pipelines, providing technical leadership, troubleshooting production issues, ensuring software quality and security, partnering with product stakeholders, and mentoring engineers. The role also drives engineering process improvements and contributes to architecture, coding, testing, observability, and delivery standards.

Build and maintain scalable backend services and APIs that orchestrate cross-border money movement. Integrate and operate connections with external banking and payment partners, ensure production health and compliance, write technical documentation, participate in code reviews, mentor junior engineers, join rotating on-call, and collaborate across time zones.

As a Software Engineer, you'll develop software for Ceph and distributed storage, collaborating with a global team to enhance cloud solutions.

Develop, customize, and integrate enterprise CRM and workflow applications using C#, .NET (6/8), JavaScript/Angular, and relational databases. Build and maintain API integrations (REST, OData, SOAP/WCF), write/optimize SQL queries, design technical specs with architects, and implement AI workflow integrations. Collaborate on application architecture and document API contracts.

Develop and maintain cross-platform applications using Kotlin Multiplatform. Collaborate with the engineering team, participate in design and code reviews, write automated tests, and ensure application quality and performance.